Ferrari 312T Owners' Workshop ManualDesigned by legendary Ferrari designer Mauro Forghieri, the 3 litre flat 12 engined Ferrari 312T first appeared in 1975, and was continually developed to compete for six years, until the end of 1980. The cars won three Drivers World Championships two for Niki Lauda, in 1975 and 1977, and one for Jody Scheckter, in 1979 and took Ferrari to four Constructors World Championships. They also won races in the hands of Clay Regazzoni, Carlos Reutemann, and